<template>
  <div class="person">
    <h2>姓名: {{ name }}</h2>
    <h2>姓名: {{ age }}</h2>
    <button @click="changeName">修改名字</button>
    <button @click="changeAge">修改年龄</button>
    <button @click="showTel">查看联系方式</button>
  </div>
</template>

<script>
export default {
  name: 'Person',
  beforeCreate() {
    console.log('beforeCreate');
  },
  setup() {
    console.log('setup');
    let name = '张三'
    let age = 18
    let tel = '13788888888'

    function changeName() {
      name = 'zhangsan'
      console.log(name);
    }

    function changeAge() {
      age += 1
    }

    function showTel() {
      alert(tel)
    }

    return {
      name, age, changeName, changeAge, showTel
    }
  }
}
</script>

<style scoped>
.person {
  background: darksalmon;
  box-shadow: 0 0 10px;
  border-radius: 10px;
  padding: 20px;
}
</style>